.lf{ float: left}
.rf{ float: right}
.ofh{ overflow: hidden}
.mag{ margin: 0 auto}
.w1200{ width: 1200px}
.w1038{ width: 1038px}
.w1162{ width: 1162px;}
.w978{width: 978px;}
.posr{position: relative;}
.bai{display: block;width: 100%;}

.con-title{text-align: center;position: relative;color: #3943BF;font-size: 46px;font-weight: normal;line-height: 46px;}
.con-title span{display: inline-block;position: relative;}
.con-title span::after, .con-title span::before {content: '';width:262px;height: 1px; background: #3943BF;position: absolute;top: 22px;}
.con-title span::after{left: -282px;}
.con-title span::before{right: -282px;}
.con-size{text-align: center;position: relative;color: #3943BF;font-size: 24px;font-weight: normal;line-height: 42px;margin-top: 16px;}